Finding the Third Proportional to 79,890.47 and 173,361.09
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Solution
The third proportional to 79,890.47 and 173,361.09 is: 376,190.92
Step by Step Solution
- Step 1: Write the proportion equation
79,890.47 : 173,361.09 = 173,361.09 : x - Step 2: Convert to fraction form
79,890.47/173,361.09 = 173,361.09/x - Step 3: Cross multiply
79,890.47x = 173,361.09 × 173,361.09 - Step 4: Simplify right side
79,890.47x = 30,054,068,826.20 - Step 5: Solve for x
x = 30,054,068,826.20/79,890.47 - Step 6: Final answer
x = 376,190.92
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.